"It's perfectly all right to be nice to people. It isn't a weakness at all; nothing weak about being nice. In matter of fact, if you aren't, you're in the soup.
"You could say that the only times for which you were suffering are those times when you weren't nice enough. When you weren't kind enough and when you weren't unmean enough and those are the only times from which you're really suffering. ...
"The only thing you should ever be tough about is insist that the other fellow ought to stand on his own feet, too. And the only way you'll ever communicate that to him is to communicate it to him in a very nice way. Then he's liable to receive it."
— L. Ron Hubbard